main {
    width: 315px;
    height: calc(45px*6);
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: 105px auto auto;
}

.big,
.small {
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
    /* overflow: hidden; */
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;


}

.big {
    width: calc(45px*7);
    height: calc(45px*6);
}

.small {
    width: calc(45px*6);
    height: calc(45px*5);
}

.itemBox {
    width: 45px;
    height: 45px;
    box-sizing: border-box;
    font-size: 30px;
    text-align: center;
    line-height: 35px;
    position: relative;
    box-sizing: border-box;
    border-radius: 5px;

    /* 看盒子边框 */
    /* border: 1px solid tan; */
}

.big .itemBox,
.small .itemBox {
    opacity: 0;
    transform: translateY(-60px);
    transition: all .5s linear;
}

.item {
    box-sizing: border-box;
    border-radius: 5px;
    border: 1px solid rgba(47, 54, 10, .6);
    background-color: #f5ffcd;
    box-shadow: 0 -5px 2px 0px #72a313 inset;
    width: 45px;
    height: 45px;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 99;
}

.fade {
    position: relative;
}

.fade::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(147, 153, 123, 0.7);
}

.left,
.right {
    position: absolute;
    width: calc(11*5px + 45px);
    left: 0;
    right: 0;
    margin: auto;
    bottom: -10px;
}

.left {
    right: calc(11*5px + 45px + 45px);
    left: 0;
}

.right {
    left: calc(11*5px + 45px + 45px);
    right: 0;
}

.left .itemBox,
.right .itemBox {
    position: absolute;
    top: 0;
    transition: all 1s linear;
}

.left .itemBox {
    left: 0;
}

.right .itemBox {
    right: 0;
}

.temp {
    position: absolute;
    left: 0;
    right: 0;
    margin: auto;
    bottom: -108px;
    display: flex;
    justify-content: space-around;
    width: calc(45px*7);
}

/* -> 以下底部 结果栏 和 两个按钮 */

footer {
    background-color: red;
    width: calc(45px*7);
    position: absolute;
    bottom: 75px;
    left: 0;
    right: 0;
    margin: auto;
    background-color: #c2812d;
    padding: 10px 10px 5px;
    border-radius: 10px;
    box-shadow: 2px 2px 5px 1px #6b8f4a;
    z-index: 50;
}

footer .content {
    width: calc(45px*7);
    height: 45px;
    background-color: #965b1b;
    box-shadow: 0 5px 5px 5px #7f4e16 inset;
    border-radius: 5px;
    display: flex;
}

footer .config {
    margin-top: 5px;
    height: 35px;
    display: flex;
    /* flex-direction: row-reverse; */
    justify-content: space-between;
}

.config button {
    width: max-content;
    padding: 0;
    background: none;
    border: 0;
    outline: none;
    /* margin-left: 15px; */
    border-radius: 10px;
    display: flex;
    align-items: center;
    font-size: 12px;
    color: #ddd;
    box-sizing: content-box;
    padding: 2px 6px;
    transition: all .3s linear;
    box-shadow: 2px 2px 5px 1px #965b1b;
}

.config button:active {
    transform: scale(1.1);
}

.config button span {
    white-space: nowrap;
    display: block;
    margin-left: 5px;
}

.config .music {
    background-color: #3f93b5;
}

.config .lastOne {
    background-color: #009688;
}

.config .lastAll {
    background-color: #236b52;
}

.config button svg {
    font-size: 30px;
}


/* -> 以下播放按钮 动画 */
@keyframes btnDJ {
    30% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.2);
    }
}

/* -> 草叶 */
aside img {
    position: absolute;
    z-index: -1;
    top: 0;
    left: 0;
    /* animation: grassDj .5s linear 0s infinite; */
}

@keyframes grassDj {
    30% {
        transform: scaleY(1);
    }

    100% {
        transform: scaleY(1.4);
    }
}